Nathan Schlessinger,m.d.,s.c.
NPI 1164432332 · Medical Specialty Clinic/Center · Chicago, IL
Nathan Schlessinger,m.d.,s.c. is a Medical Specialty Clinic/Center organization in Chicago, IL (NPI 1164432332).
Provider details
- NPI number
- 1164432332
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Nathan Schlessinger, President(312) 781-0181
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2020-08-22
Frequently asked questions
- What is Nathan Schlessinger,m.d.,s.c.'s NPI number?
- Nathan Schlessinger,m.d.,s.c.'s National Provider Identifier (NPI) is 1164432332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nathan Schlessinger,m.d.,s.c.?
- Nathan Schlessinger,m.d.,s.c. is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Nathan Schlessinger,m.d.,s.c. located?
- Nathan Schlessinger,m.d.,s.c.'s practice location on file with NPPES is 333 N Michigan Ave, Chicago, IL 60601-3901.
- What is Nathan Schlessinger,m.d.,s.c.'s phone number?
- The practice phone number listed in the NPPES registry for Nathan Schlessinger,m.d.,s.c. is (312) 781-0181.
- Who is the authorized official for Nathan Schlessinger,m.d.,s.c.?
- The authorized official listed on Nathan Schlessinger,m.d.,s.c.'s NPPES record is Nathan Schlessinger, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nathan Schlessinger,m.d.,s.c.'s NPI active?
- Yes — Nathan Schlessinger,m.d.,s.c.'s NPI (1164432332) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.